What happens to fish (and humans) when fish eat plastic?
Many fish eat microplastics. Here’s why and what we can do about it.
Rivers & lakes
Our country’s lakes, rivers and streams give life to ecosystems and people alike from coast to coast. Now it’s time we protect them as the life-giving resources they are.
The Latest on Rivers & lakes
How coal mining harms the environment
Canyons 101
Updates
Meet the wildlife of Colorado’s Dolores River Canyons: peregrine falcon
Meet the wildlife of Colorado’s Dolores River Canyonlands: beavers
Meet the Wildlife of the Dolores River Canyonlands: River otter
Featured Resources
Good intentions, bad outcomes. Six ways impervious surfaces harm our cities and the environment
Wasting our Waterways
Safe for swimming?
Healthy Parks, Healthy People
The Latest
The Antiquities Act is meant to protect America’s natural and cultural treasures forever. Is the Act itself in danger?
The Antiquities Act has played a crucial role in protecting many of America's most treasured landscapes. We take it for granted at our peril.
A look back at what our unique network accomplished in 2023
Here are 10 examples of how our advocates won positive results for the public and the planet in 2023.
What and where is the Dolores River and why is it important?
Colorado's Dolores River is critically important for both wildlife and people
Colorado’s Dolores River Canyonlands deserve protection
President Biden should designate a new national monument to protect the red cliffs, river banks, and historical sites.
421 pounds of trash pulled from confluence of S. Platte and Cherry Creek
October River Cleanup marks 50th anniversary of the Clean Water Act